EVERLIGHT ELECTRONICS CO.,LTD.
19-218UWD/S327/TR8
Reliability Test Items And Conditions
The reliability of products shall be satisfied with items listed below.
Confidence level:90%
LTPD:10%
No.
Items
Test
Sample
Test Condition Hours/Cycles Size Ac/Re
Temp. : 260℃±5℃
1 Reflow Soldering
Min. 5sec.
6 Min. 22 PCS. 0/1
H : +100℃ 15min
2 Temperature Cycle
∫ 5 min
300 Cycles 22 PCS. 0/1
L : -40℃ 15min
H : +100℃ 5min
3
Thermal Shock
∫ 10 sec
300 Cycles 22 PCS. 0/1
L : -10℃ 5min
High Temperature
4
Storage
5
Low Temperature
Storage
Temp. : 100℃
Temp. : -40℃
1000 Hrs. 22 PCS. 0/1
1000 Hrs. 22 PCS. 0/1
6 DC Operating Life
IF = 20 mA
1000 Hrs. 22 PCS. 0/1
7
High Temperature /
High Humidity
85℃/ 85%RH
1000 Hrs. 22 PCS. 0/1
Judgment Criteria of Failure for Reliability Test
Measuring Item
Symbol
Measuring Condition
Judgments Criteria for
Failure
Forward Voltage
VF
IF=10mA
>U x 1.2
Reverse Current
IR
VR=5V
>U x 2.0
Luminous Intensity
IV
IF=10mA
>S x 0.5
Note: U means the upper limit of the specified characteristics. S means the initial value.
Everlight Electronics Co., Ltd.
Device No. : DSE-198-001
http://www.everlight.com
Prepared date: 23-Aug-2005
Rev.5
Page: 11 of 13
Prepared by: Jeff Tsai